Monthly runoff simulation: Comparing and combining conceptual and neural network models
Nilsson, Patrik LU ; Bertacchi Uvo, Cintia LU
and Berndtsson, Ronny
LU
(2006)
In Journal of Hydrology
321(1-4).
p.344-363
- Abstract
- Runoff estimation is of high importance for many practical engineering applications so that, e.g. power production, dam safety and water supply can be ensured. The methods and time step relevant for runoff simulations vary depending on the location and the application. Long-term runoff simulation for Scandinavia is of high importance as its hydropower production is affected by climate variability, which strongly influences winter temperature and precipitation. This work investigates the possibility of modelling monthly runoff for two Norwegian river basins. Two methodologies-artificial neural networks (NN) and conceptual runoff modelling (CM)-are compared and NN offer the best estimations of monthly runoff for both tested basins with R-2 =... (More)
- Runoff estimation is of high importance for many practical engineering applications so that, e.g. power production, dam safety and water supply can be ensured. The methods and time step relevant for runoff simulations vary depending on the location and the application. Long-term runoff simulation for Scandinavia is of high importance as its hydropower production is affected by climate variability, which strongly influences winter temperature and precipitation. This work investigates the possibility of modelling monthly runoff for two Norwegian river basins. Two methodologies-artificial neural networks (NN) and conceptual runoff modelling (CM)-are compared and NN offer the best estimations of monthly runoff for both tested basins with R-2 = 0.82 and 0.71, respectively. The combination of NN and CM by using snow accumulation and the soil moisture calculated by the CM as input to the NN proved to be an excellent alternative to perform high quality monthly runoff simulations and improved the simulations skill for both basins (R-2=0.86 and 0.75, respectively). (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/410725
- author
- Nilsson, Patrik
LU
; Bertacchi Uvo, Cintia
LU
and Berndtsson, Ronny
LU
- organization
- publishing date
- 2006
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- monthly runoff, combination, modelling, conceptual, hydrological modelling, artificial neural networks
- in
- Journal of Hydrology
- volume
- 321
- issue
- 1-4
- pages
- 344 - 363
- publisher
- Elsevier
- external identifiers
-
- wos:000237099500023
- scopus:33645973241
- ISSN
- 0022-1694
- DOI
- 10.1016/j.jhydrol.2005.08.007
- language
- English
- LU publication?
- yes
- id
- 85536480-d55e-486a-8092-5594f1211424 (old id 410725)
- date added to LUP
- 2016-04-01 16:11:31
- date last changed
- 2022-10-13 08:07:22
@article{85536480-d55e-486a-8092-5594f1211424,
abstract = {{Runoff estimation is of high importance for many practical engineering applications so that, e.g. power production, dam safety and water supply can be ensured. The methods and time step relevant for runoff simulations vary depending on the location and the application. Long-term runoff simulation for Scandinavia is of high importance as its hydropower production is affected by climate variability, which strongly influences winter temperature and precipitation. This work investigates the possibility of modelling monthly runoff for two Norwegian river basins. Two methodologies-artificial neural networks (NN) and conceptual runoff modelling (CM)-are compared and NN offer the best estimations of monthly runoff for both tested basins with R-2 = 0.82 and 0.71, respectively. The combination of NN and CM by using snow accumulation and the soil moisture calculated by the CM as input to the NN proved to be an excellent alternative to perform high quality monthly runoff simulations and improved the simulations skill for both basins (R-2=0.86 and 0.75, respectively).}},
author = {{Nilsson, Patrik and Bertacchi Uvo, Cintia and Berndtsson, Ronny}},
issn = {{0022-1694}},
keywords = {{monthly runoff; combination; modelling; conceptual; hydrological modelling; artificial neural networks}},
language = {{eng}},
number = {{1-4}},
pages = {{344--363}},
publisher = {{Elsevier}},
series = {{Journal of Hydrology}},
title = {{Monthly runoff simulation: Comparing and combining conceptual and neural network models}},
url = {{http://dx.doi.org/10.1016/j.jhydrol.2005.08.007}},
doi = {{10.1016/j.jhydrol.2005.08.007}},
volume = {{321}},
year = {{2006}},
}